#logo {
    width: 30%;
    margin-top: 10px;
}

#slogan, .form-signin-heading, .footer-header, .footer-text, .form-signup-heading {
    font-family: 华文行楷, fangsong;
    font-size: 20px;
}

#addtocart {
    color: black;
    background-color: #FFDF00;
    border-color: black;
    margin-bottom: 10%;
}

hr.hstyle {
    border: 0;
    height: 3px;
    background-image: -webkit-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
    background-image: -moz-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
    background-image: -ms-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
    background-image: -o-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
}

hr.hstyle2 {
    border: 0;
    height: 2px;
    background-image: -webkit-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
    background-image: -moz-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
    background-image: -ms-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
    background-image: -o-linear-gradient(left, #f0f0f0, #FFDF00, #f0f0f0);
}

.separator {
    border-top: 1.5px solid #FFDF00;
}

.form-signin, .form-signup {
    width: 50%;
    margin-top: 5%;
    margin-left: 20%;
}

#product {
    border-style: solid;
    border-color:white yellow;
    padding-top: 1%;
}

#quantity {
    width: 25%;
}

[id~="quantity"] {
    width: 25%;
}

#inputConfirmPassword, #inputEmail, #inputPassword, #inputName {
    margin-bottom: 2%;
}

.nav-link {
    margin-right: 4em;
}

.footer {
    margin-top: 3%;
}

.footer-text {
    font-size: smaller;
    text-decoration: none;
    color: black;
}

.vrule {
    margin-right: 30px;
}

.tab-prev {
    width: 2%;
}

.tab-next {
    width: 2%;
}

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#summary-font {
    font-size: 80%;
}

#summary {
    border: 1px solid #DDE2E4;
    height: 50%;
}